WowAce

Intelligent, slim paladin blessing management

The Action Button to SmartMount

Provides search functionality to the chatframes

Matte Vol Skin for cyCircled.

Item scale modules for PassLoot

Managing and viewing loot-type rolls

LibFriends-1.0

Translates the received text icons {cross}, {skull} etc in your local language for multilingual raids

Track friends / enemies in a convienent window, with optional logging

With Mists of Pandaria Blizzard publish all characters from an account unless you disable that 'feature'. This addon warns you.

Automatically swaps between weapons and lances.

Modality

xcRaid

An in-game list of all hunter pet families and their abilities.

Makes the Blizzard options frame movable and resizable

CatFight

Advanced features for sRaidFrames

Auto sizes frame layout depending on group/raid size

Invite lots of players in the raid browser for world boss groups

Bar to display state of Incinerate Flesh debuff.